Author Diana has regularly talked up Scotland and its importance in the series.

She said: “The photography is amazing, not that Scotland by itself isn’t amazing, but the way they’ve photographed it. Ron (Moore, the producer) said from the beginning when he realised that we could film in Scotland – which is what he and I both wanted – that it must be as much a character in the show as any of the actual cast members, and it certainly is. It’s just spectacular.”

Sam Heughan, as Jamie Fraser, and Caitriona Balfe, as Claire Fraser, in Outlander

Leading star, Sam Heughan used to play a minor role in Scots soap River City - but now the actor is stealing the hearts of of millions worldwide as Highland Warrior Jamie Fraser.

So if you still haven't grasped what all the fuss is about, our gallery above gives you nine things Scottish people need to know about Outlander.

And ahead of the show's return on April 9, you can take a closer look at what's to come in Season 2 with our gallery below.